20189940400

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 480

約数和(自身を含む): 60224716800

約数和(自身を除く): 40034776400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 47, 49, 50, 56, 62, 70, 80, 94, 98, 100, 101, 112, 124, 140, 155, 175, 188, 196, 200, 202, 217, 235, 245, 248, 280, 310, 329, 343, 350, 376, 392, 400, 404, 434, 470, 490, 496, 505, 560, 620, 658, 686, 700, 707, 752, 775, 784, 808, 868, 940, 980, 1010, 1085, 1175, 1225, 1240, 1316, 1372, 1400, 1414, 1457, 1519, 1550, 1616, 1645, 1715, 1736, 1880, 1960, 2020, 2170, 2303, 2350, 2450, 2480, 2525, 2632, 2744, 2800, 2828, 2914, 3038, 3100, 3131, 3290, 3430, 3472, 3535, 3760, 3920, 4040, 4340, 4606, 4700, 4747, 4900, 4949, 5050, 5264, 5425, 5488, 5656, 5828, 6076, 6200, 6262, 6580, 6860, 7070, 7285, 7595, 8080, 8225, 8575, 8680, 9212, 9400, 9494, 9800, 9898, 10100, 10199, 10633, 10850, 11312, 11515, 11656, 12152, 12400, 12524, 13160, 13720, 14140, 14570, 15190, 15655, 16121, 16450, 17150, 17360, 17675, 18424, 18800, 18988, 19600, 19796, 20200, 20398, 21266, 21700, 21917, 23030, 23312, 23735, 24304, 24745, 25048, 26320, 27440, 28280, 29140, 30380, 31310, 32242, 32900, 33229, 34300, 34643, 35350, 36425, 36848, 37975, 37976, 39592, 40400, 40796, 42532, 43400, 43834, 46060, 47470, 49490, 50096, 50995, 53165, 56560, 57575, 58280, 60760, 62620, 64484, 65800, 66458, 68600, 69286, 70700, 71393, 72850, 75950, 75952, 78275, 79184, 80605, 81592, 85064, 86800, 87668, 92120, 94940, 98980, 101990, 106330, 109585, 115150, 116560, 118675, 121520, 123725, 125240, 128968, 131600, 132916, 137200, 138572, 141400, 142786, 145700, 147157, 151900, 153419, 156550, 161210, 163184, 166145, 170128, 173215, 175336, 184240, 189880, 197960, 203980, 212660, 219170, 230300, 232603, 237350, 247450, 250480, 254975, 257936, 265825, 265832, 277144, 282800, 285572, 291400, 294314, 303800, 306838, 313100, 322420, 332290, 346430, 350672, 356965, 379760, 395920, 403025, 407960, 425320, 438340, 460600, 465206, 474700, 494900, 499751, 509950, 531650, 531664, 547925, 554288, 571144, 582800, 588628, 607600, 613676, 626200, 644840, 664580, 692860, 713930, 735785, 767095, 806050, 815920, 830725, 850640, 866075, 876680, 921200, 930412, 949400, 989800, 999502, 1019900, 1030099, 1063300, 1073933, 1095850, 1142288, 1163015, 1177256, 1227352, 1252400, 1289680, 1329160, 1385720, 1427860, 1471570, 1534190, 1612100, 1628221, 1661450, 1732150, 1753360, 1784825, 1860824, 1898800, 1979600, 1999004, 2039800, 2060198, 2126600, 2147866, 2191700, 2326030, 2354512, 2454704, 2498755, 2658320, 2771440, 2855720, 2943140, 3068380, 3224200, 3256442, 3322900, 3464300, 3569650, 3678925, 3721648, 3835475, 3998008, 4079600, 4120396, 4253200, 4295732, 4383400, 4652060, 4997510, 5150495, 5369665, 5711440, 5815075, 5886280, 6136760, 6448400, 6512884, 6645800, 6928600, 7139300, 7210693, 7357850, 7670950, 7996016, 8141105, 8240792, 8591464, 8766800, 9304120, 9995020, 10300990, 10739330, 11630150, 11772560, 12273520, 12493775, 13025768, 13291600, 13857200, 14278600, 14421386, 14715700, 15341900, 16282210, 16481584, 17182928, 18608240, 19990040, 20601980, 21478660, 23260300, 24987550, 25752475, 26051536, 26848325, 28557200, 28842772, 29431400, 30683800, 32564420, 36053465, 39980080, 40705525, 41203960, 42957320, 46520600, 49975100, 50474851, 51504950, 53696650, 57685544, 58862800, 61367600, 65128840, 72106930, 81411050, 82407920, 85914640, 93041200, 99950200, 100949702, 103009900, 107393300, 115371088, 130257680, 144213860, 162822100, 180267325, 199900400, 201899404, 206019800, 214786600, 252374255, 288427720, 325644200, 360534650, 403798808, 412039600, 429573200, 504748510, 576855440, 651288400, 721069300, 807597616, 1009497020, 1261871275, 1442138600, 2018994040, 2523742550, 2884277200, 4037988080, 5047485100, 10094970200, 20189940400]

約数ペア:

[(1, 20189940400), (2, 10094970200), (4, 5047485100), (5, 4037988080), (7, 2884277200), (8, 2523742550), (10, 2018994040), (14, 1442138600), (16, 1261871275), (20, 1009497020), (25, 807597616), (28, 721069300), (31, 651288400), (35, 576855440), (40, 504748510), (47, 429573200), (49, 412039600), (50, 403798808), (56, 360534650), (62, 325644200), (70, 288427720), (80, 252374255), (94, 214786600), (98, 206019800), (100, 201899404), (101, 199900400), (112, 180267325), (124, 162822100), (140, 144213860), (155, 130257680), (175, 115371088), (188, 107393300), (196, 103009900), (200, 100949702), (202, 99950200), (217, 93041200), (235, 85914640), (245, 82407920), (248, 81411050), (280, 72106930), (310, 65128840), (329, 61367600), (343, 58862800), (350, 57685544), (376, 53696650), (392, 51504950), (400, 50474851), (404, 49975100), (434, 46520600), (470, 42957320), (490, 41203960), (496, 40705525), (505, 39980080), (560, 36053465), (620, 32564420), (658, 30683800), (686, 29431400), (700, 28842772), (707, 28557200), (752, 26848325), (775, 26051536), (784, 25752475), (808, 24987550), (868, 23260300), (940, 21478660), (980, 20601980), (1010, 19990040), (1085, 18608240), (1175, 17182928), (1225, 16481584), (1240, 16282210), (1316, 15341900), (1372, 14715700), (1400, 14421386), (1414, 14278600), (1457, 13857200), (1519, 13291600), (1550, 13025768), (1616, 12493775), (1645, 12273520), (1715, 11772560), (1736, 11630150), (1880, 10739330), (1960, 10300990), (2020, 9995020), (2170, 9304120), (2303, 8766800), (2350, 8591464), (2450, 8240792), (2480, 8141105), (2525, 7996016), (2632, 7670950), (2744, 7357850), (2800, 7210693), (2828, 7139300), (2914, 6928600), (3038, 6645800), (3100, 6512884), (3131, 6448400), (3290, 6136760), (3430, 5886280), (3472, 5815075), (3535, 5711440), (3760, 5369665), (3920, 5150495), (4040, 4997510), (4340, 4652060), (4606, 4383400), (4700, 4295732), (4747, 4253200), (4900, 4120396), (4949, 4079600), (5050, 3998008), (5264, 3835475), (5425, 3721648), (5488, 3678925), (5656, 3569650), (5828, 3464300), (6076, 3322900), (6200, 3256442), (6262, 3224200), (6580, 3068380), (6860, 2943140), (7070, 2855720), (7285, 2771440), (7595, 2658320), (8080, 2498755), (8225, 2454704), (8575, 2354512), (8680, 2326030), (9212, 2191700), (9400, 2147866), (9494, 2126600), (9800, 2060198), (9898, 2039800), (10100, 1999004), (10199, 1979600), (10633, 1898800), (10850, 1860824), (11312, 1784825), (11515, 1753360), (11656, 1732150), (12152, 1661450), (12400, 1628221), (12524, 1612100), (13160, 1534190), (13720, 1471570), (14140, 1427860), (14570, 1385720), (15190, 1329160), (15655, 1289680), (16121, 1252400), (16450, 1227352), (17150, 1177256), (17360, 1163015), (17675, 1142288), (18424, 1095850), (18800, 1073933), (18988, 1063300), (19600, 1030099), (19796, 1019900), (20200, 999502), (20398, 989800), (21266, 949400), (21700, 930412), (21917, 921200), (23030, 876680), (23312, 866075), (23735, 850640), (24304, 830725), (24745, 815920), (25048, 806050), (26320, 767095), (27440, 735785), (28280, 713930), (29140, 692860), (30380, 664580), (31310, 644840), (32242, 626200), (32900, 613676), (33229, 607600), (34300, 588628), (34643, 582800), (35350, 571144), (36425, 554288), (36848, 547925), (37975, 531664), (37976, 531650), (39592, 509950), (40400, 499751), (40796, 494900), (42532, 474700), (43400, 465206), (43834, 460600), (46060, 438340), (47470, 425320), (49490, 407960), (50096, 403025), (50995, 395920), (53165, 379760), (56560, 356965), (57575, 350672), (58280, 346430), (60760, 332290), (62620, 322420), (64484, 313100), (65800, 306838), (66458, 303800), (68600, 294314), (69286, 291400), (70700, 285572), (71393, 282800), (72850, 277144), (75950, 265832), (75952, 265825), (78275, 257936), (79184, 254975), (80605, 250480), (81592, 247450), (85064, 237350), (86800, 232603), (87668, 230300), (92120, 219170), (94940, 212660), (98980, 203980), (101990, 197960), (106330, 189880), (109585, 184240), (115150, 175336), (116560, 173215), (118675, 170128), (121520, 166145), (123725, 163184), (125240, 161210), (128968, 156550), (131600, 153419), (132916, 151900), (137200, 147157), (138572, 145700), (141400, 142786)]